Leenaun Hill is a Hewitt of 616 m in Galway. All four of its nearest neighbours are higher, up to Barrslievenaroy at 702 m.
It shares its height of 616 m with Beinn na Gucaig and Great Borne. On the Hewitts height ladder it sits between Great Borne (616 m) and Slieve Snaght (Donegal, C424390) (614.6 m).